Roof Air Flow

Taking advantage of this natural process referred to as passive ventilation is the most common way to vent an attic.

Roof air flow.

It is important that air movement occurs and is not impeded by any framing members of the home. Allows cool dry air to enter the attic. The solution is to add baffles which allow air to flow past the insulation photo 9. Baffles are available at home centers.

Hot air exhaust vents located at the peak of the roof allow hot air to escape. Power roof mount fan. An important part of installing any system of ventilation into your roof system is to make sure that there is a point of entry and a point of exit for airflow. Choose one of the following products to meet the recommended intake nfva of 528 square inches.

The following product options will allow you to achieve an intake nfva of 528 square inches. Ideally all roof vents should be functioning all year round. That means air can t flow from the soffit vents to the roof vents. No matter how hot or cold it is outside the vents should work without getting damaged if you want a stable and moderate temperature inside the house.

If your attic is well insulated the insulation might be plugging the spaces between rafters just above exterior walls.